31 January 2013 Testing of the scale linearity of the corrected homodyne interferometer by the femtosecond comb and optical resonator
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Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 875943 (2013) https://doi.org/10.1117/12.2017022
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China
Abstract
The work presents a method where the change of the length of the measuring arm of the Michelson interferometer is monitored by the cavity length of the optical resonator. The resonator works as distance-to-optical frequency converter with ultimate linearity. It has locked a tunable laser to certain cavity mode. The optical frequency of the laser is heterodyned with immediate “tooth” of the femtosecond comb spectrum. The results of measured scale linearity of the homodyne interferometer for corrected and non-corrected scale are presented for measuring range of the homodyne interferometer in order of one micrometer and more.
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Ondřej Číp, Ondřej Číp, Martin Čížek, Martin Čížek, Zdeněk Buchta, Zdeněk Buchta, Bretislav Mikel, Bretislav Mikel, Josef Lazar, Josef Lazar, Radek Šmid, Radek Šmid, } "Testing of the scale linearity of the corrected homodyne interferometer by the femtosecond comb and optical resonator", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 875943 (31 January 2013); doi: 10.1117/12.2017022; https://doi.org/10.1117/12.2017022
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